Dimensions:

length: 500mm
width: 500mm
height: 330mm

length: 400mm
width: 400mm
height: 230mm

length: 300mm
width: 300mm
height: 130mm

Vray and Corona versions included.

No unhide objects.

Preview rendered in v-Ray.

System unit mm.

No plugins used.

Pivots ready. If the pivot is lost, press "hierarchy", after the "affect pivot only", it will be restored, and repeat the action "affect pivot only".